This file is digitized from tape stock found at the Mercury Control Center (MCC) by Gene Kranz. Captured on April 8, 1998.
Information on the original tape box read (the accuracy of this information has not been verified):
First Orbital Mercury Mission w/ Flight Director Debriefing
Test 1254- MA-4
Digitized, cataloged and archived by the Houston Audio Control Room, at the NASA Johnson Space Center.